| Name | Role | Place | Source | |
|---|---|---|---|---|
| Adolph Mayer | Travelers | 1922 | New York | Passenger registers |
| Adolph Mayer | Travelers | 1922 | Rotterdam | Passenger registers |
| Adolph Mayer | Travelers | 1938 | New York | Passenger registers |
| Adolph Mayer | Travelers | 1939 | New York | Passenger registers |
| Adolph Mayer | Travelers | 1939 | Rotterdam | Passenger registers |
| Adolph Mayer | Travelers | 1939 | Rotterdam | Passenger registers |
| Hugo Karl Hans Adolph Mayer | Father of bride | 1939 | Wageningen | Civil registration marriages |
| Hugo Karl Hans Adolph Mayer | Father of bride | 1931 | Wageningen | Civil registration marriages |
| Hugo Karl Hans Adolph Mayer | Father of bride | 1935 | Wageningen | Civil registration marriages |
| Joseph Adolph Mayer-Rosa | Registered | 1922 | Amsterdam | Foreigners register |
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